THANJAVUR: Members of Unemployed Graduate Tamil Teachers’ Association undertook a fast here on Monday demanding filling up of vacancies for Tamil teachers in schools. They also demanded payment of Rs. 5,000 as monthly assistance to those, who have completed five years after registration in employment exchange. They also sought for awarding of degrees instead of diplomas to those who complete ‘Pulava’ course. State president Chandrasekaran participated in the fast.